sqlmodel/docs_src/tutorial/fastapi/multiple_models/tutorial001.py
Anton De Meester a7f8a27c20 Upgrade to Pydantic 2
Change imports
Undefined => PydanticUndefined
Update SQLModelMetaclass and SQLModel __init__ and __new__ functions
Update SQL Alchemy type inference
2023-08-06 08:01:04 +00:00

61 lines
1.3 KiB
Python

from typing import List, Optional
from fastapi import FastAPI
from sqlmodel import Field, Session, SQLModel, create_engine, select
class Hero(SQLModel, table=True):
id: Optional[int] = Field(default=None, primary_key=True)
name: str = Field(index=True)
secret_name: str
age: Optional[int] = Field(default=None, index=True)
class HeroCreate(SQLModel):
name: str
secret_name: str
age: Optional[int] = None
class HeroRead(SQLModel):
id: int
name: str
secret_name: str
age: Optional[int] = None
sqlite_file_name = "database.db"
sqlite_url = f"sqlite:///{sqlite_file_name}"
connect_args = {"check_same_thread": False}
engine = create_engine(sqlite_url, echo=True, connect_args=connect_args)
def create_db_and_tables():
SQLModel.metadata.create_all(engine)
app = FastAPI()
@app.on_event("startup")
def on_startup():
create_db_and_tables()
@app.post("/heroes/", response_model=HeroRead)
def create_hero(hero: HeroCreate):
with Session(engine) as session:
db_hero = Hero.model_validate(hero)
session.add(db_hero)
session.commit()
session.refresh(db_hero)
return db_hero
@app.get("/heroes/", response_model=List[HeroRead])
def read_heroes():
with Session(engine) as session:
heroes = session.exec(select(Hero)).all()
return heroes